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Numerical Simulation Of An Open Channel Ultraviolet Waste-Water Disinfection Reactor, Rajib Kumar Saha
Numerical Simulation Of An Open Channel Ultraviolet Waste-Water Disinfection Reactor, Rajib Kumar Saha
Electronic Thesis and Dissertation Repository
The disinfection characteristics of an open channel ultra-violet (UV) wastewater disinfection reactor are investigated using a computational fluid dynamics (CFD) model. The model is based on the volume of fluid method to capture the water-air interface, the Lagrangian particle tracking method to determine the microbial particle trajectory and the discrete ordinate model to calculate the UV intensity field. The numerical predictions are compared with the available experimental data to validate the CFD model. A parametric study is performed to understand the effects of different parameters on the disinfection performance of the reactor. The hydraulic behaviour and the additive nature of …